Ceiling Support
Hi all,
I'm converting a mobile home bedroom into a recording studio. I'm building a room within a room for sound isolation. Right now, I'm down to studs and subfloor.
My plan is to attach 2x4s to existing top plates and studs at opposite ends of the room to act as ceiling rim joists for the new lower ceiling. I'm going to run either 4x4s or sistered 2x4s to act as ceiling joists with each end hanging in a 4x4 joist hanger. Which would be better?
The joists will be perpendicular to existing trusses. The span is 13 feet. At midpoint of span the joists will be attached to what appears to be a 2x2 that is part of an existing truss to prevent sagging. I will also cross-brace all joists to improve rigidity.
Two 1/2" layers of drywall will be hung on the joists. I would go with bigger lumber for joists, but I'm already cramped for headroom (floor will also be raised).
I couldn't find much data on such a setup. Will this structure support the drywall? How much of the load will the center truss bear? Will it be excessive?
To handle all the extra weight of the room, I will install perimeter blocking under all the outriggers under the room and also block floor joists under walls running parallel to floor joists.
Any advice would be greatly appreciated!
Thanks,
Bruce
I'm converting a mobile home bedroom into a recording studio. I'm building a room within a room for sound isolation. Right now, I'm down to studs and subfloor.
My plan is to attach 2x4s to existing top plates and studs at opposite ends of the room to act as ceiling rim joists for the new lower ceiling. I'm going to run either 4x4s or sistered 2x4s to act as ceiling joists with each end hanging in a 4x4 joist hanger. Which would be better?
The joists will be perpendicular to existing trusses. The span is 13 feet. At midpoint of span the joists will be attached to what appears to be a 2x2 that is part of an existing truss to prevent sagging. I will also cross-brace all joists to improve rigidity.
Two 1/2" layers of drywall will be hung on the joists. I would go with bigger lumber for joists, but I'm already cramped for headroom (floor will also be raised).
I couldn't find much data on such a setup. Will this structure support the drywall? How much of the load will the center truss bear? Will it be excessive?
To handle all the extra weight of the room, I will install perimeter blocking under all the outriggers under the room and also block floor joists under walls running parallel to floor joists.
Any advice would be greatly appreciated!
Thanks,
Bruce
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